In The Novelist, the Kaplans are struggling to keep their little family together. You play a ghost that tries to help keep the peace. The Novelist/Orthogonal Games hide caption

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Nidhogg is a fast-paced sword fighting game that pits two players in an intense, steel-on-steel battle of tug-of-war that harkens back to the old days of arcade battles. Messhof hide caption

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Desktop Dungeons is an easy-to-pick-up puzzle, strategy, single-player role-playing game. It can be difficult, but the ease of repeat play and deep strategic elements will keep you coming back. QCF Design hide caption

itoggle caption QCF Design

A screenshot of Half the Sky, where virtual successes sometimes lead to real-life donations. Games For Change hide caption

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Kelly Kelley, who goes by the gaming pseudonym MrsViolence, streams her play nightly for her many fans to watch. Twitch.TV screenshot hide caption

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A screenshot of the iPad game If, which aims to teach kids how to navigate interpersonal challenges and failures. NPR hide caption

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Independent developer Jonathan Blow's time-warping, mind-bending puzzler Braid turned a hackneyed plot — little guy rescues a princess — into a melancholy meditation on love and loss. Microsoft/AP hide caption

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Recently released sports video games are touting how their high-powered graphics portray players like the Oklahoma City Thunder's Kevin Durant realistically. The realism extends to audio as well. 2K Games hide caption

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The Sony PlayStation 4 sells for $399. Pablo Blazquez Dominguez/Getty Images hide caption

itoggle caption Pablo Blazquez Dominguez/Getty Images

What's that worried look, Elizabeth? Could it be that there's more to BioShock Inifinite than meets the eye? Irrational Games hide caption

itoggle caption Irrational Games

Strenuous mental exercise like reading difficult books, solving tricky math problems — or, maybe, playing the right video game — can help keep a healthy brain sharp, research suggests. Images.com/Corbis hide caption

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The American Academy of Pediatrics recommends that children have no more than two hours a day of "screen time." Marilyn Nieves/iStockphoto.com hide caption

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BioShock Infinite revolves around an Aristotelian tragedy with tragic heroes, grounded in a floating city set in 1912. Courtesy of Irrational Games/2K Games hide caption

itoggle caption Courtesy of Irrational Games/2K Games